Valve



FIG. 1 is a top plan view of a valve, showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is an upper perspective view thereof;

FIG. 8 is a lower perspective view thereof; and,

FIG. 9 is a front partial sectional elevational view thereof.

CLAIM The ornamental design for a valve, as shown and described.